Can anyone tell me if there is an alternative for diesel please?

Yes there is. Just type on Google Stabil 360 Diesel and you shall be showered with options where to buy them. Good luck

Is this the best fuel stabiliser for a 2-stroke 2.5hp mercury outboard?

I have 115hp Yamaha outboard. I dont think this is a stabiliser as such. I use it as a fuel enhancer and add to fuel for normal use. I use the Sta-bil Storage liquid when I leave the boat which can be for four or five months. Had problems before I used it but now engine starts however long its left. I'd recommend both and use them as appropriate.

Is this safe to mix with lead substitute additive already being used in the fuel tank of the car?

I will say so as this is only a fuel stabiliser and water moisture repellent. This is mainly used on boats giving the higher humidity content.

Is 1oz to 10gals in american gallons

Hi David, I am a regular user of this product. The dosage instructions state 1oz to 10 US gallons or 30ml to 38 litres. There are "oz" and "ml" markers on the bottle neck so it is very easy to measure and use. You don't have to be exact if you have an unknown quantity in a tank. This product works very well and is used in my collection of classic cars and bikes as they are run in rotation. I have not experienced any fuel related problems since using this.

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Description

🛥️ Keep your marine engine flawless—because every ride deserves peak performance!

DOUBLE CORROSION SHIELD - Twice the corrosion prevention to guard against moisture and water damage.
ULTIMATE ETHANOL DEFENSE - Protect your marine engine from costly ethanol damage all season long.
POWERFUL FUEL SYSTEM CLEANER - More than 4x the cleaning strength to keep your engine running smooth and efficient.
YEAR ROUND PERFORMANCE BOOST - Not just for storage—enhance your boat or jet ski’s power every time you hit the water.
TRUSTED BY PROS ENTHUSIASTS - America’s #1 ethanol treatment with 4.6-star rating from over 2,200 users.

STA-BIL 360 Marine Ethanol Treatment is a premium fuel stabilizer designed to protect marine engines from ethanol-related damage. Treating up to 80 gallons per 250 ml bottle, it offers double the corrosion prevention and over four times the fuel system cleaning power compared to regular stabilizers. Ideal for boats, jet skis, and water sport engines, it prevents moisture-induced corrosion and improves in-season engine performance, making it America’s top-rated ethanol treatment solution.

Specifications

ASIN	B000UJG0LE
Best Sellers Rank	2,441 in Automotive ( See Top 100 in Automotive ) 55 in Fuel Systems
Brand	STA-BIL
Brand Name	STA-BIL
Capacity	8 Fluid Ounces
Colour	Clear
Country of Origin	USA
Customer Reviews	4.6 out of 5 stars 2,286 Reviews
Fuel Type	Petrol
Global Trade Identification Number	00073905222396, 30073905223097
Included Components	Unit^Instruction Guide
Item Dimensions W x H	9.7W x 4.2H centimetres
Item Type Name	GREASE & OIL
Item Weight	245 g
Item weight	245 g
Manufacturer	Gold Eagle Co.
Material	Plastic
Product dimensions	9.7W x 4.2H centimetres
UPC	073905222396 182682942097
Unit Count	1 Count

Reviews

R**R

Excellent

Best stabiliser I have found. Run it in my Bf115 Honda outboard.

18.02.2026

F**I

Easy to measure and use.

Easy to use and economical additive for boat fuel.

21.01.2026

S**.

Only time will tell.

It seems not as my fuel separator has no water in it but only time will tell.

23.06.2024

M**.

Great fuel stabiliser!

Use this to store petrol in a 20 litre jerry can to fill boat and lawnmower tanks. The petrol seems to keep forever!

3.08.2025

S**R

Great for Boats

My Petrol had split , added this and it made sure boat started first time .

21.11.2025

B**K

Brilliant fuel stabiliser.

Great stuff. Kept my motors from getting any bad fuel grief over winter. Usually my Kawasaki engine would misfire and run so rough on 3 month old e10 but this gear keeps it from going off. Very pleased and have bought some for other people too.

20.03.2025

R**E

Ad described

Arrived quickly and as described

19.05.2025

C**N

Fuel stabiliser

Hopefully it does what it says on the label

20.07.2022

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Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

1361530₫

Duties & taxes included

In stock

Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Vietnam.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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1 week ago

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3 weeks ago

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STA-BIL 360 Marine Ethanol Treatment and Fuel Stabilizer - Prevents Corrosion - Helps Clean Fuel System For Improved In-Season Performance - Treats Up To 80 Gallons, 250 ml, Black

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Common Questions